/Engine/Source/Runtime/Core/Public/Math/RandomStream.h
Helper function for rand implementations.
A random number >= Min and <= Max
[FVector::FReal](API\Runtime\Core\Math\TVector\FReal) FRandRange ( [FVector::FReal](API\Runtime\Core\Math\TVector\FReal) InMin, [FVector::FReal](API\Runtime\Core\Math\TVector\FReal) InMax ) const